基于Wiener过程的高精度石英挠性加速度计贮存可靠性评估  

Storage Reliability Estimation of High Precision Quartz Flexible Accelerometer Based on Wiener Process

作　　者：潘广泽 罗琴 李小兵[1,2] 王远航 黄创绵[1,3] PAN Guang-ze;LUO Qin;LI Xiao-bing;WANG Yuan-hang;HUANG Chuang-mian(The Fifth Electronics Research Institute of Ministry of Industry and Information Technology,Guangzhou,510610;;Guangdong Provincial Key Laboratory of Electronic Information Products Reliability Technology,Guangzhou,510610;Guangdong Provincial Research Center of Electronic Information Products Reliability and Environment Engineering Technology,Guangzhou 510610)

机构地区：[1]工业和信息化部电子第五研究所广州510610 [2]广东省电子信息产品可靠性技术重点实验室广州510610 [3]广东省电子信息产品可靠性与环境工程技术研究开发中心广州510610

出　　处：《环境技术》2018年第A01期5-8,共4页Environmental Technology

基　　金：广东省科技计划项目(2017B090914003);2016年工业转型升级(中国制造2025)重点项目中重点任务项目(MIV1670170);国家科技重大专项(2016ZX04004006)

摘　　要：如何利用历史的性能检测数据对高精度石英挠性加速度计的贮存可靠性进行评估是迫切需要解决的问题。本文建立了高精度石英挠性加速度计性能参数基于Wiener过程的可靠性评估模型,给出了模型参数的极大似然估计,并以某型高精度石英挠性加速度计为例进行了贮存可靠性评估,得到该型高精度石英挠性加速度计可靠度为0.9的贮存寿命为17年,验证了该方法的实用性。How to estimate storage reliability of high precision quartz flexible accelerometer using testing data in past years is an urgent problem to be solved.The reliability estimation model of high precision quartz flexible accelerometer performance parameters based on Wiener process was established.The maximum likelihood estimation method of this model was given.In the end,storage reliability estimation was done by taking a certain type of high precision quartz flexible accelerometer as example.The result shows that the storage life of this high precision quartz flexible accelerometer whose reliability value equals 0.9 is 17years so that the applicability of the method is verified.

关 键 词：WIENER过程 高精度石英挠性加速度计 贮存可靠性评估 

分 类 号：TE22[石油与天然气工程—油气井工程]